AirHint found the following cheapest return flights from Hamburg (HAM) to San Jose (SJO) in October 2025 (see full year).

Return flights

25 Oct - 15 Nov	Lufthansa
07 Oct - 16 Oct	SWISS
02 Oct - 14 Oct	Lufthansa
02 Oct - 16 Oct	Lufthansa
30 Oct - 15 Nov	SWISS
30 Oct - 14 Nov	Air France
02 Oct - 24 Oct	SWISS
08 Oct - 15 Oct	Air France
06 Oct - 16 Oct	KLM
31 Oct - 20 Nov	Air France
01 Oct - 15 Oct	Air France
31 Oct - 16 Nov	Air France
15 Oct - 29 Oct	KLM
31 Oct - 15 Nov	Lufthansa
29 Oct - 14 Nov	Air France
14 Oct - 15 Oct	Eurowings
16 Oct - 02 Nov	KLM

Also check the deals for one-way flights from Hamburg to San Jose in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Hamburg to San Jose in October from 506€

Return flights